Hidden fastening device for boards

Abstract

A hidden fastening device for boards comprises a female fastening part attached to a board, and a rotatable male fastening part attached to another board to engage with the female fastening part. The rotatable male fastening part further comprises a rotatable male fastening base with a base opening, a lock end opening, and a receiving groove, and a rotatable male lock disposed in the base opening with a male lock end at a front side thereof. The female fastening part further has a mount hole to engage with the male lock end to enable the female fastening part and the rotatable male fastening part securing to each other. The lock end opening communicates with the base opening, and the male lock end extends via the lock end opening to engage with the female fastening part. A trigger extending outward the male fastening base is received in the receiving groove when the rotatable male lock is in a state of retreating with the lock end being received in the lock end opening.

Dependencies are inferred from the claim text.